Mazda MX-5 I (NA) (1989 – 1997)
Reliability score : 8.8/10
The first-generation Mazda MX-5 (codename NA), also known as Miata in North America and Eunos Roadster in Japan, is an icon of automotive history. Launched in 1989, it resurrected the segment of small sports roadsters (until then dominated by British and Italian manufacturers) by bringing Japanese reliability to it. Characterized by its retractable (pop-up) headlights, its featherlight weight (around 950 kg), and its ideal weight distribution (50/50), it embodies the Jinba Ittai philosophy (the oneness of horse and rider). Today, it is a highly sought-after collector's vehicle (youngtimer). Its mechanical reliability is legendary, but its worst enemy remains corrosion.
✅ Strengths
- Exceptional mechanical reliability (indestructible engines and gearboxes if maintained)
- Unrivaled driving pleasure at this price level (rear-wheel drive, lightness, perfect gearbox handling)
- Negligible maintenance cost and excellent mechanical accessibility
- Almost infinite availability of spare parts (OEM and aftermarket)
- Rising popularity and resale value (a true Youngtimer)
⚠️ Weaknesses
- Extreme susceptibility to corrosion (the model's true weak point)
- 'Short Nose' crankshaft issue on early 1.6 models (1989-1991)
- Non-existent soundproofing and spartan comfort on long journeys
- Passive safety from another era (no ABS or airbag on early European models)
- Original soft top with plastic rear window that fogs up and cracks in the cold
🎯 Verdict
The Mazda MX-5 NA is a masterpiece of automotive design. Mechanically, it is one of the most reliable sports cars ever produced, capable of exceeding 300,000 km without opening the engine. However, its advanced age makes body inspection absolutely vital: rust is the only real reason for concern. If you find a healthy example (or one properly restored with a photo file), it's a 'love at first sight' purchase with no financial risk. Prioritize a 1.6 115hp 'Long Nose' (post-1991) or a 1.8 130hp for the full experience, although the 1.6 90hp remains an excellent choice for cruising.
Common issues
Corrosion structurelle (bas de caisse, passages de roue, longerons)
High
🔧 100 000 km et plus (très dépendante du climat)
💶 500 – 3 000 € (pour réparations localisées, peut être bien plus)
Inspecter minutieusement la carrosserie et le châssis, surtout les points de levage.
Problèmes de vilebrequin (Short Nose Crank - SNC) sur 1.6L (1989-1991)
High
🔧 80 000 – 150 000 km (si non préventivement renforcé)
💶 1 500 – 3 000 € (réparation ou remplacement moteur)
Vérifier l'historique, écouter le moteur, inspecter le pignon de vilebrequin sur les premiers modèles.
Défaillance du système de refroidissement (radiateur, durites, pompe à eau)
Medium
🔧 100 000 – 180 000 km
💶 300 – 800 € (radiateur + durites + pompe à eau)
Surveiller la température moteur, vérifier l'état du radiateur en plastique et des durites.
Dégradation de la capote (fissures, déchirures, lunette arrière opaque)
Medium
🔧 Lié à l'âge du véhicule (10-15 ans et plus)
💶 500 – 1 200 € (remplacement complet)
Examiner l'état de la capote, surtout aux plis et à la lunette arrière.
Estimated maintenance costs
| Oil change |
£70 – 130 |
| Timing belt |
£350 – 700 |
| Clutch |
£600 – 1 000 |
| Complete brakes |
£280 – 550 |
| Estimated annual budget |
£500 – 1 000 |
Indicative estimates (independent garage, UK market). Prices vary by region and year.